.apply{
    display: inline-block;
    width: 210px;
    height: 31px;
    text-align: center;
    line-height: 31px;
    color: #333;
    border-radius: 4px;
    background-image: url(../images/sprite_04.png);
    background-position: 0 -305px;
    box-sizing: border-box;
    font-weight: 700;
}
.apply i{
    width: 100%;
    height: 100%;
    display: inline-block;
    background-image: url(../images/sprite_04.png);
    background-position: -40px -346px;
}
.apply:hover{
    background-position: 0 -141px;
}
.apply:hover i{
    background-position:-40px -182px;
}
.apply-tent{
    font-style: normal;
}